Patented 2-in-1 Detachable Wheel and Handle System. Front zipper pocket for small miscellaneous items. Front organizer pocket for media devices, cell phone, business cards, key holder and pens. Front compartment features a 3-file divider that expands 2'' to allow 30% more space. Back compartment padded to protect laptops up to 17'' in size. Dual Laptop Protection System uses a high-tech ABS honeycomb frame to protect laptop from exterior impact and a 10mm high-density foam to help absorb shock and prevent moisture intake. Smart Attachment Strap & Smart Zipper Attachment allows transport on extended handles of other rolling cases and luggage. Comfortable, non-slip, shock absorbing shoulder strap helps alleviate body strain. Size with frame: 19.5'' x 9'' x 14.25''. Size without frame: 17'' x 7-9'' x 13''. Hand strap drop length: 4.5''. Shoulder strap drop length: 14.5-21.25 ''. McKlein's limited lifetime warranty.